Welcome to this most holy of places!
This is the Acropolis, the mount where all of Taijitu's religious institutions place themselves.
FAQ
Q: Why is it called Acropolis?
A: Because the hill upon which all of Athens temples were was called the Acropolis.
Q: Isn't that hellenocentric?
A: So sue me.
Q: So... what do religions do in the Acropolis?
A: They get themselves temples/templums/churches/whatevers as child boards.
Q: How does one get such a child board?
A: By applying in the application topic here.